Anthony-gallo Reference 3 S.A. Amp Manuel d'utilisateur

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Owner’s Manual for the
Anthony Gallo Acoustics
Reference³ SA
Thank you for purchasing our Subwoofer Amplifier (hereafter referred to as the SA). It is a high-quality
audio component meticulously designed and reliably manufactured to enhance the long-term enjoyment of your
favorite full-range music. To familiarize yourself with the SA’s unique flexibility and feature set, please read the
following instructions carefully before installing it.
But first, remember that the SA is a high-power piece of active electronics that runs warm to the touch and
can get moderately hot if you run its bass-boost EQ circuit in the max position. You should not expose the SA to
direct sun light, water or moisture. Getting fluids inside the SA could shorten out its circuitry and cause irreparable
damage that will not be covered under warranty. The SA does include short-circuit protection but you should still
exercise the utmost caution when you make all initial connections while the amplifier is powered off.
The SA contains a bridgeable stereo amplifier, a high-quality active crossover and a sophisticated equalization
circuit in one single chassis to
1. Optimize bass performance of our own Gallo Acoustics Nucleus Reference³ loudspeakers in both 2-channel
music and multi-channel HomeTheater movie applications
2. Power two of our own Gallo Acoustics MPSB/DV passive subwoofers
3. Bi-amp bi-wirable loudspeakers from other manufacturers or
4. Power one or two passive subwoofers from other companies.
5. Power a pair of passive speakers with the SA as the main amp.
Be sure to install the SA with sufficient ventilation space and no obstructions to its chassis vents to insure
optimal self-cooling of the internal heatsinks (a thermostat-controlled whisper fan will kick in automatically once
these heatsinks reach a preset temperature). We will now describe hookups for each of the stated applications in
the sequence listed above. Even if your application is #2, #3, #4 or #5 (e.g. not with our own speakers), do read the
entire manual. Much of what is covered under section 1 also applies to sections 2, 3, 4 and 5 and thus isn’t repeated
in the subsequent chapters.
1a/ Anthony Gallo Acoustics Nucleus Reference³ speakers + Reference³ SA xover/amplifier
(stereo music mode):
Our Reference³ full-range speakers offer a unique feature. They sport a separate pair of loudspeaker input
terminals for their woofer’s 2
nd
voice coils. Because this feature is so unique and different from the norm, allow us
to explain it in detail. This twin set of binding posts on the lower rear of the Reference³s may look like a biwire
arrangement but it’s not. Note how the upper pair is labeled ‘speaker in’. The lower pair says ‘sub in’. ‘Sub’
obviously stands for subwoofer. But where is this hidden subwoofer? Wait a minute and you’ll see.
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Résumé du contenu

Page 1 - Reference³ SA

Owner’s Manual for the Anthony Gallo Acoustics Reference³ SA Thank you for purchasing our Subwoofer Amplifier (hereafter referred to as the SA). It i

Page 2

The upper ‘speaker in’ terminals are conventional inputs. They connect the incoming full-range amplifier signal to the entire speaker. The 10” side-fi

Page 3

Where do I set the crossover control which is continuously adjustable from 40-200Hz? Remember that the natural acoustical roll-off of our Ref³ woof

Page 4

Why do you offer crossover points up to 200Hz if 40Hz is the natural speaker rolloff? Because you can also use the SA with other makers’ passive subw

Page 5

but does so only over a very limited frequency range where our human hearing is the least sensitive to timbre and tone. Using our SA within this uniqu

Page 6

What if I don’t have any pre-outs? This could be the case with an integrated amplifier. What you need now is a second pair of speaker cables or a b

Page 7

two individual speaker cables (one for each MPSB/DV) which are terminated with bare wire/bananas/spades on the SA end and a ¼” plug on the subwoofer e

Page 8

Anthony Gallo Acoustics Reference³ SA Specifications @4ohm Output power: 240 watts stereo, 650 watts mono Distortion: 0.08% stereo, 0.1% mono

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